{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["engineering feature", "concept or principle", "machanical property", "material", "process parameter", "manufacturing process"], "input": "Keyhole welding , using a pulsed laser beam , of conventionally produced parts is compared to AM parts ."}
{"engineering feature": [], "concept or principle": [], "machanical property": [], "material": [], "process parameter": [], "manufacturing process": ["Keyhole welding"]}